Block Diagram - Yamaha ACU16-C Service Manual

ACU16-C

BLOCK DIAGRAM

SW201
UNIT ID
8
7 9
6 A
5
B
4 C
D
3
E
2
1 F
0
IC316
CN308
USB CPU
USB
LINK
LD801
CONDUCT
LD803
ERROR
LD804
DAC-LED
8
（ブロックダイアグラム）
+5D
IC221
8
+5D
256kbit
EEPROM
IC201
SDA SCL
5 6
104 VCC
PE6
105
PE7
+5D
16, 74
M37641M8
XIN, OUT
14, 15
16MHz
X302
CN801 CN203
X201
6.4512MHz
21, 37, 55
77, 103, 100
72, 74
XTAL,
EXTAL
MAIN CPU
A: 4~20
D: 52-54, 56-60
62-64, 66-70
SH7042A/28MHz
Ø25.8048MHz
MPU_MODE:2
41
CKO
CK
FS
+5D
IC502
39
DIR2
MASTER
PLL &
35
Clock
Clock
8 FS
Generater
7 64FS
9 128FS
XI, XO
12, 13 10 256FS
6 SYNC
11.727 MHz
X501
SYNC_RES
+5D +5D
1, 6, 21
IC203 IC204
37
16Mbit
4Mbit
FLASH DRAM
8MHz
X301
IC301 IC601
32, 34
XI
XO
CPU CLK
+3.3D
(MIXER)
SIO4
VDD
174,
195
5
43,19
37
57
256FS
86
114
+5D
SYNC
144
+5D
IC505
14
256FS
2
3
48k/96k
6
Master
2 6
Clock
x2 +5D
selecter
5
16
IC504
Divider
IC507 508
1
FS 64FS
IC510
FS
Reset
5
Output
2 6
Control
14
+5D
A
60MHz
X601
7
67-69
DSP5
115-122
SO0~7
VDD
18 96, 76, 58, 24,
20, 12, 9, 194,
173, 143, 124
+5D
IC506
+5
IC509
13
14
256
Clock
2 13
selecter
9
10, 6
5
11
1, 4, 1
A'